solve the equation for x and y

Asked by shobhitdc | 27th May, 2010, 11:48: AM

Expert Answer:

x + y = 7 

Multiply by 5,

5x + 5y = 35 ... (1)

5x + 12y = 7   .. (2)

Subtract (2) from (1),

-7y = 28

y = -4 and hence x = 7 - y = 7 - (-4) = 11,

x = 11, y = -4.

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Answered by  | 27th May, 2010, 01:22: PM

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